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Finding the Fourth Proportional to 60,644.90, 83,692.53 and 33,787.40

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Solution

The fourth proportional to 60,644.90, 83,692.53 and 33,787.40 is: 46,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,644.90 : 83,692.53 = 33,787.40 : x
  2. Step 2: Convert to fraction form
    60,644.90/83,692.53 = 33,787.40/x
  3. Step 3: Cross multiply
    60,644.90x = 83,692.53 × 33,787.40
  4. Step 4: Simplify right side
    60,644.90x = 2,827,752,569.66
  5. Step 5: Solve for x
    x = 2,827,752,569.66/60,644.90
  6. Step 6: Final answer
    x = 46,628.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.